How to unlock an iPhone 5s iCloud locked? - 1

How to unlock an iPhone 5s iCloud locked? - 2

If this is a used phone, you don't, unless you can get the original owner to remove the phone from his/her iCloud account.

There's tons of resources online. Just pick one and follow the instructions closely.

if you're not comfortable doing it, just get a shop to do it. Takes 60 seconds.

Put in the asked for username & password